Description
Pure PTFE gland packing is a mechanical sealing material made from 100% polytetrafluoroethylene (PTFE). It’s used to seal pumps and valves in a variety of industries, including food and beverage, medicine, and chemical processing.
Properties
- Chemical resistance: PTFE is resistant to most chemicals, including acids, bases, solvents, and corrosive media
- Temperature resistance: PTFE can withstand temperatures from cryogenic conditions to around 260°C (500°F)
- Low friction: PTFE has low friction, which helps prevent leakage
- Non-toxic: PTFE is non-toxic, making it suitable for food contact applications
Uses
- High speed applications: PTFE gland packing can withstand high linear speeds and pressure
- Corrosive media: PTFE gland packing is ideal for sealing systems in corrosive media
- Clean applications: PTFE gland packing is suitable for applications that require clean and minimal contamination material
- Chemical resistance: PTFE is highly resistant to most chemicals, including acids, bases, solvents, and corrosive media.
- Temperature resistance: PTFE can withstand extreme temperatures, from cryogenic conditions to around 260°C (500°F).
- Non-toxic: PTFE is non-toxic and approved for use in food contact applications.
- Self-lubricating: PTFE has a low coefficient of friction, so it doesn’t need additional lubrication.
- Non-aging: PTFE doesn’t degrade over time, so it performs well for a long time.
- Flexible: PTFE remains flexible across a wide range of temperatures.
- Dimensional stability: PTFE packing has superior dimensional stability and tensile strength.
PTFE gland packing is used in many industries, including:
- Food and beverage: PTFE packing is approved for use in food contact applications.
- Chemical: PTFE packing is used for shaft sealing in chemical industries.
- Pharmaceutical: PTFE packing is used to handle strong oxidizers in the pharmaceutical industry.
- Aerospace: PTFE packing is used in aerospace industries because it can perform well in fluctuating or high-temperature conditions.
- Power generation: PTFE packing is used in power generation industries because it can perform well in fluctuating or high-temperature conditions
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